:root {
  color-scheme: light;
  --ink: #292a23;
  --muted: #625f54;
  --paper: #fffdf5;
  --canvas: #e8e2d2;
  --line: #8d8675;
  --stone: #464b47;
  --earth: #5d4634;
  --wood: #7a5b3d;
  --grass: #547b42;
  --route: #3f69c6;
  --route-dark: #29498f;
  --route-soft: #e4ebfb;
  --focus: #f3b51b;
  --stop-bg: #fff0d6;
  --stop-line: #a94b2f;
  --success-bg: #e5f2d9;
  --success-line: #3f743d;
  --radius: 5px;
  --block-shadow: 7px 7px 0 #383128;
}

body[data-route="fondations"] {
  --route: #3f69c6;
  --route-dark: #29498f;
  --route-soft: #e4ebfb;
}

body[data-route="debutants"] {
  --route: #4f8045;
  --route-dark: #355d31;
  --route-soft: #e4efdd;
}

body[data-route="avances"] {
  --route: #7653a5;
  --route-dark: #543879;
  --route-soft: #eee5f7;
}

body[data-route="rattrapage"] {
  --route: #b7652c;
  --route-dark: #82451e;
  --route-soft: #f7e6d6;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  background-image:
    linear-gradient(rgba(77, 67, 51, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(77, 67, 51, 0.045) 1px, transparent 1px);
  background-size: 32px 32px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 18px;
  line-height: 1.55;
}

a {
  color: inherit;
}

button,
input,
summary,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 4px solid var(--focus);
  outline-offset: 4px;
}

main:focus {
  outline: none;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 20;
  padding: 12px 16px;
  border: 3px solid #171914;
  border-radius: var(--radius);
  background: var(--ink);
  color: white;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-shell {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 26px 0 64px;
}

.page-header {
  margin-bottom: 24px;
  text-align: center;
}

.page-header--compact {
  margin-bottom: 16px;
  text-align: left;
}

.home-title {
  margin: 0;
  font: inherit;
}

.brand {
  display: inline-block;
  color: var(--ink);
  font-size: clamp(2.25rem, 6vw, 3.85rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.045em;
  text-decoration: none;
  text-shadow: 3px 3px 0 rgba(122, 91, 61, 0.22);
}

.page-header--compact .brand {
  padding: 7px 11px;
  border: 3px solid var(--ink);
  background: #f5edda;
  box-shadow: 4px 4px 0 var(--earth);
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  text-shadow: none;
}

.site-subtitle {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 700;
}

.route-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.route-card {
  --card-accent: #3f69c6;
  min-height: 156px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 25px 28px;
  border: 4px solid #37352d;
  border-top: 11px solid var(--card-accent);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--block-shadow);
  text-decoration: none;
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.route-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 10px 10px 0 #383128;
}

.route-card--debutants { --card-accent: #4f8045; }
.route-card--avances { --card-accent: #7653a5; }
.route-card--rattrapage { --card-accent: #b7652c; }

.route-card-title {
  font-size: clamp(1.65rem, 4vw, 2.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.route-card-description {
  margin-top: 12px;
  color: var(--muted);
  font-size: 1rem;
}

.lesson-page,
.teacher-page {
  width: min(820px, 100%);
  margin: 0 auto;
}

.lesson-intro {
  position: relative;
  margin-bottom: 20px;
  padding: clamp(22px, 4vw, 30px);
  border: 4px solid var(--route);
  border-radius: var(--radius);
  background: var(--stone);
  box-shadow: var(--block-shadow);
  color: white;
  overflow: hidden;
}

body[data-route] .lesson-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: 24px;
  align-items: end;
}

body[data-route] .lesson-intro .eyebrow,
body[data-route] .lesson-intro .lesson-title,
body[data-route] .lesson-intro .route-location,
body[data-route] .lesson-intro .objective-label {
  grid-column: 1 / -1;
}

body[data-route] .lesson-intro .objective {
  grid-column: 1;
  grid-row: 5;
  margin-bottom: 0;
}

body[data-route] .lesson-intro > .button {
  grid-column: 2;
  grid-row: 5;
}

.lesson-intro::after {
  content: "";
  position: absolute;
  top: 12px;
  right: 12px;
  width: 12px;
  height: 12px;
  background: var(--route);
  box-shadow: -16px 16px 0 var(--route), -32px 0 0 var(--route);
  opacity: 0.9;
}

.eyebrow {
  margin: 0 0 5px;
  color: #f1eadc;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.lesson-title {
  margin: 0;
  max-width: calc(100% - 70px);
  font-size: clamp(1.9rem, 6vw, 2.85rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  text-shadow: 3px 3px 0 #252824;
}

.route-location {
  margin: 7px 0 0;
  color: #f4efe2;
  font-size: 0.95rem;
  font-weight: 800;
}

.objective-label {
  margin: 17px 0 4px;
  color: #f1eadc;
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.objective {
  margin: 0 0 18px;
  font-size: 1.08rem;
}

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  border: 3px solid #25271f;
  border-radius: var(--radius);
  box-shadow: 4px 4px 0 #25271f;
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
}

.button--primary {
  background: var(--route);
  color: white;
}

.button--primary:hover {
  background: var(--route-dark);
}

.button--secondary {
  border-color: var(--line);
  background: white;
  color: var(--ink);
}

.button--secondary:hover {
  border-color: var(--route-dark);
  color: var(--route-dark);
}

.content-card,
.callout,
.support-card {
  margin: 22px 0;
  padding: clamp(22px, 5vw, 34px);
  border: 3px solid var(--line);
  border-left: 7px solid var(--route);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: 4px 4px 0 rgba(56, 49, 40, 0.22);
}

.section-title {
  margin: 0 0 18px;
  font-size: clamp(1.35rem, 4vw, 1.75rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.section-intro {
  margin: -8px 0 22px;
  color: var(--muted);
}

.task-list,
.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: missions;
}

.task-item {
  counter-increment: missions;
}

.task-item,
.check-item {
  padding: 15px 0;
  border-top: 2px solid #d4cdbc;
}

.task-item:first-child,
.check-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.task-item:last-child,
.check-item:last-child {
  padding-bottom: 0;
}

.task-label {
  min-height: 50px;
  display: grid;
  grid-template-columns: 32px 1fr;
  align-items: start;
  gap: 13px;
  cursor: pointer;
}

.task-list .task-label::before {
  content: counter(missions) ".";
  grid-column: 2;
  grid-row: 1;
  margin-right: 4px;
  font-weight: 800;
}

.task-list .task-text {
  grid-column: 2;
  grid-row: 1;
  padding-left: 30px;
}

.task-label input {
  width: 26px;
  height: 26px;
  grid-column: 1;
  grid-row: 1;
  margin: 1px 0 0;
  accent-color: var(--route);
  cursor: pointer;
}

.task-label input:checked ~ .task-text {
  color: var(--muted);
  text-decoration: line-through;
  text-decoration-thickness: 2px;
}

.task-text {
  min-width: 0;
  font-size: 1.05rem;
  overflow-wrap: anywhere;
}

code,
.code-block {
  font-family: Consolas, "Courier New", monospace;
}

.hint {
  margin: 10px 0 0 45px;
  border: 2px solid var(--route);
  border-radius: var(--radius);
  background: var(--route-soft);
}

.hint summary,
.syntax summary {
  padding: 13px 16px;
  color: var(--route-dark);
  font-weight: 800;
  cursor: pointer;
}

.hint > p {
  margin: 0;
  padding: 0 16px 15px;
}

.syntax {
  margin: 0 14px 14px;
  border: 2px solid var(--route);
  border-radius: var(--radius);
  background: white;
}

.syntax .code-block {
  margin: 0 12px 12px;
}

.code-block {
  max-width: 100%;
  margin: 18px 0 0;
  padding: 18px;
  border: 3px solid #171914;
  border-radius: var(--radius);
  background: #292e2a;
  color: #eef3ff;
  font-size: 0.9rem;
  line-height: 1.55;
  overflow-x: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.callout--stop {
  border-color: var(--stop-line);
  background: var(--stop-bg);
}

.callout--neutral {
  border-color: #8fa2bd;
  background: #edf3fa;
}

.callout p,
.support-card p {
  margin: 0;
  font-size: 1.08rem;
}

.disclosure {
  padding: 0;
}

.disclosure > summary {
  padding: 24px 30px;
  cursor: pointer;
}

.disclosure > summary:hover {
  color: var(--route-dark);
}

.disclosure-body {
  padding: 0 20px 8px;
  border-top: 2px solid var(--line);
}

.disclosure-body .content-card {
  border-width: 0;
  box-shadow: none;
}

.subheading {
  margin: 26px 0 10px;
  font-size: 1.05rem;
}

.value-list,
.principle-list,
.routine-list {
  margin-bottom: 0;
  padding-left: 25px;
}

.value-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px 28px;
  font-family: Consolas, "Courier New", monospace;
}

.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 34px;
}

.support-card {
  margin: 0;
  border-width: 4px;
  border-left-width: 10px;
  box-shadow: 7px 7px 0 #383128;
}

.support-card .section-title::before {
  content: "";
  display: inline-block;
  width: 13px;
  height: 13px;
  margin-right: 10px;
  background: currentColor;
  box-shadow: 4px 4px 0 rgba(56, 49, 40, 0.22);
}

.support-card--stuck {
  border-color: var(--stop-line);
  background: var(--stop-bg);
  color: #71301f;
}

.support-card--done {
  border-color: var(--success-line);
  background: var(--success-bg);
  color: #274f2b;
}

.routine-list li + li,
.principle-list li + li {
  margin-top: 9px;
}

.back-button {
  margin-top: 28px;
}

.schedule-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.schedule-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 18px;
  padding: 15px 0;
  border-top: 2px solid #d4cdbc;
}

.schedule-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.schedule-time {
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.noscript {
  width: min(700px, calc(100% - 32px));
  margin: 20px auto;
  padding: 20px;
  border: 2px solid var(--stop-line);
  border-radius: 12px;
  background: var(--stop-bg);
}

@media (max-width: 700px) {
  body {
    font-size: 17px;
  }

  .site-shell {
    width: min(calc(100% - 22px), 1100px);
    padding-top: 20px;
  }

  .route-grid,
  .support-grid {
    grid-template-columns: 1fr;
  }

  .route-card {
    min-height: 126px;
    padding: 21px;
  }

  .lesson-intro {
    padding: 20px 18px;
  }

  .lesson-title {
    max-width: calc(100% - 48px);
  }

  body[data-route] .lesson-intro {
    grid-template-columns: 1fr;
  }

  body[data-route] .lesson-intro .objective,
  body[data-route] .lesson-intro > .button {
    grid-column: 1;
    grid-row: auto;
  }

  body[data-route] .lesson-intro > .button {
    justify-self: start;
    margin-top: 14px;
  }

  .value-list {
    grid-template-columns: 1fr;
  }

  .hint {
    margin-left: 0;
  }

  .schedule-item {
    grid-template-columns: 72px 1fr;
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .route-card {
    transition: none;
  }
}

/* Navigation de la bibliothèque élève. */
.module-navigation, .library-links { display: flex; flex-wrap: wrap; gap: 16px; margin: 24px 0; }
.module-navigation .button { flex: 1 1 220px; overflow-wrap: anywhere; }
.module-list { display: grid; gap: 20px; padding-left: 28px; }
.module-list .route-card { min-height: 110px; border-top-color: var(--route); }
.library-heading { margin: 22px 0; font-size: 1.7rem; }

/* Accueil uniquement : mêmes blocs, deux univers immédiatement accessibles. */
.home-header {
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(20px, 4vw, 44px);
  padding: 24px 36px;
  margin: 8px 0 32px;
  border: 3px solid var(--line);
  border-bottom: 7px solid var(--grass);
  background: var(--paper);
  box-shadow: 6px 6px 0 #c6bfad;
  text-align: left;
}
.home-header::after {
  content: '';
  position: absolute;
  top: 16px; right: 16px;
  width: 8px; height: 8px;
  background: var(--grass);
  box-shadow: -12px 0 0 #b9c5a7, 0 12px 0 #b9c5a7;
}
.home-logo { display: block; width: 216px; height: auto; flex-shrink: 0; }
.home-header__copy { min-width: 0; }
.home-eyebrow { margin: 0 0 10px; color: var(--muted); font-size: .85rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.home-header .brand { font-size: clamp(2.3rem, 5vw, 3.5rem); }
.home-intro { margin: 12px 0 0; color: var(--muted); font-size: 1.1rem; }
.home-choice { margin: 0 0 18px; font-size: 1.15rem; }
.home-domains { gap: 24px; }
.home-domain { --card-accent: #4f8045; position: relative; justify-content: flex-start; padding: 24px 28px; }
.home-domain--game { --card-accent: #a55d27; }
.home-domain__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 22px; }
.home-domain__symbol { display: inline-flex; align-items: center; justify-content: center; width: 70px; height: 54px; background: #e4efdd; border: 3px solid #355d31; box-shadow: 4px 4px 0 #a6b69b; font-family: Consolas, monospace; font-size: 1.6rem; font-weight: 800; color: #355d31; }
.home-domain--game .home-domain__symbol { position: relative; justify-content: flex-start; padding-left: 9px; background: #f7e6d6; border-color: #75421f; box-shadow: 4px 4px 0 #c9ab8c; color: #75421f; }
.home-domain--game .home-domain__symbol::after { content: ''; position: absolute; right: 10px; top: 17px; width: 7px; height: 7px; background: #75421f; box-shadow: -8px 8px 0 #75421f; }
.home-domain__tag { color: var(--muted); font-size: .8rem; font-weight: 800; letter-spacing: .08em; }
.home-domain .route-card-description { flex: 1; max-width: 40ch; margin-top: 14px; }
.home-domain__action { display: block; align-self: flex-start; margin-top: 24px; padding-top: 12px; width: 100%; border-top: 2px solid #ded8ca; font-size: .95rem; font-weight: 700; color: var(--card-accent); }
@media (max-width: 700px) {
  .home-header { padding: 18px; gap: 18px; margin-top: 0; margin-bottom: 26px; }
  .home-logo { width: 150px; }
  .home-header .brand { font-size: 2rem; }
  .home-intro { font-size: 1rem; }
  .home-domain { padding: 20px; }
  .home-domain__top { margin-bottom: 16px; }
}
@media (max-width: 480px) {
  .home-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .home-logo { align-self: center; }
  .home-eyebrow { margin-bottom: 6px; }
  .home-header .brand { font-size: 2.4rem; }
  .home-intro { margin-top: 8px; }
}